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Mitsubishi PUHZ-SW75VHAPUHZ-SW100VHAPUHZ-SW100YHAPUHZ-SW120VHAPUHZ-SW120YHAPUHZ-SW75VHA-BSPUHZ-SW100VHA-BSPUHZ-SW100YHA-BSPUHZ-SW12, Service Manual, Page: 8 / 100

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Mitsubishi PUHZ-SW75VHAPUHZ-SW100VHAPUHZ-SW100YHAPUHZ-SW120VHAPUHZ-SW120YHAPUHZ-SW75VHA-BSPUHZ-SW100VHA-BSPUHZ-SW100YHA-BSPUHZ-SW12 Service Manual Download Page 8

8

4

FEATURES

PUHZ-SW75VHA
PUHZ-SW75VHA-BS 

CHARGELESS SYSTEM
PRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT.
(Maximum 10 m (PUHZ-SW75

–

120))

The refrigerant circuit with LEV (Linear Expansion Valve) and accumulator always control the optimal refrigerant level regard-
less of the length (10 m maximum and 5 m minimum) of piping. The additional refrigerant charging work during installation often 
causes problems. Heretofore it is completely eliminated. This unique system improves the quality and reliability of the work done. 
It also helps to speed up the installation time.

PUHZ-SW100VHA
PUHZ-SW100YHA
PUHZ-SW120VHA
PUHZ-SW120YHA
PUHZ-SW100VHA-BS
PUHZ-SW100YHA-BS
PUHZ-SW120VHA-BS
PUHZ-SW120YHA-BS

OCH533D

Summary of Contents for PUHZ-SW75VHAPUHZ-SW100VHAPUHZ-SW100YHAPUHZ-SW120VHAPUHZ-SW120YHAPUHZ-SW75VHA-BSPUHZ-SW100VHA-BSPUHZ-SW100YHA-BSPUHZ-SW12

Page 1: ...3 BS UK PUHZ SW120VHAR4 BS UK PUHZ SW120YHA BS UK PUHZ SW120YHAR1 BS UK PUHZ SW120YHAR3 BS UK PUHZ SW120YHAR4 BS UK Outdoor unit Model Name PUHZ SW75VHA PUHZ SW100VHA PUHZ SW100YHA PUHZ SW120VHA PUHZ...

Page 2: ...20YHAR3 BS UK Added a new function Energy Monitor which allows remote controller to display power consumption and heat output Service ref have been changed as follows PUHZ SW75VHAR3 BS UK PUHZ SW75VHA...

Page 3: ...UK EHSC VM6EB UK EHSC YM9EB UK ERSC VM2B UK OCH532 EHST20C VM2C EHST20C VM6C EHST20C YM9C EHST20C TM9C EHST20C VM2EC EHST20C VM6EC EHST20C YM9EC EHST20C MHCW EHST20C MEC ERST20C VM2C ERST20C MEC EHST...

Page 4: ...rench Gas leak detector Charge hose Tools for R410A Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc If dirt dust or moisture enters into refrigerant cycle that...

Page 5: ...linder Check that cylinder for R410A on the market is a syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase No Tool name Spec...

Page 6: ...the refrigerant Use new pipes for SW75 SW100 and SW120 models The existing pipe thickness does not meet specifications or the pipes are damaged 3 4 PRECAUTIONS FOR SALT PROOF TYPE BS MODEL Although BS...

Page 7: ...0 29 0 17 0 22 0 24 0 27 0 36 0 Nominal dimensions inch Flare nut dimensions Outside diameter Dimension B mm R410A R22 Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refri...

Page 8: ...rigerant level regard less of the length 10 m maximum and 5 m minimum of piping The additional refrigerant charging work during installation often causes problems Heretofore it is completely eliminate...

Page 9: ...b 24 C Water temperature inlet outlet 12 C 7 C Cooling A35 W18 Outside air temperature Dry bulb 35 C Outside air temperature Wet bulb 24 C Water temperature inlet outlet 23 C 18 C Note COP and Power i...

Page 10: ...ide air temperature Dry bulb 35 C Outside air temperature Wet bulb 24 C Water temperature inlet outlet 12 C 7 C Cooling A35 W18 Outside air temperature Dry bulb 35 C Outside air temperature Wet bulb 2...

Page 11: ...p surface thermo Discharge thermo Over current detection Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 1 3 19 A kW W kW K min CFM dB dB mm in mm in mm in kg lb kg lb L mm in mm in Power supply phas...

Page 12: ...HAR3 BS UK PUHZ SW120YHAR4 BS UK PUHZ SW100YHA BS UK PUHZ SW100YHAR3 BS UK PUHZ SW100YHAR4 BS UK A kW W kW K min CFM dB dB m in mm in mm in kg lb kg lb L mm in mm in Power supply phase cycle voltage M...

Page 13: ...ressor model Winding Resistance ANB33FNEMT at 20 C at 20 C 0 19 0 19 0 19 PUHZ SW100VHA UK PUHZ SW100VHAR3 UK PUHZ SW100VHAR4 UK PUHZ SW100VHA BS UK PUHZ SW100VHAR3 BS UK PUHZ SW100VHAR4 BS UK SNB220F...

Page 14: ...SOUND PRESSURE LEVEL dB 0 dB 0 0002 bar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ SW100VHA BS UK PUHZ SW100VHAR3 BS UK PUHZ SW100VHAR4 BS UK PUHZ SW100YHA BS UK PUHZ SW100YHA...

Page 15: ...hole 2 27Knockout 9 2 40 45 65 92 27 55 23 73 63 Rear piping hole Knockout Rear trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 Example of Notes 1 Refrigerant GAS pipe connection FLA...

Page 16: ...hole 5 33 1350 23 950 A 1 447 1 431 371 635 322 Handle for moving VHA YHA 1 079 A 930 Unit mm Over Over Over Over Less than Piping and wiring connections can be made from 4 directions front right rea...

Page 17: ...2 F1 F2 F3 F4 X51 X52 X54 Switch Function Switch Model Select Switch Model Select Switch Function Switch Switch Function Switch Switch Function Switch Switch Pump Down Connector Emergency Operation Co...

Page 18: ...on Connector Connection for Option Connector Connection for Option Connector Connection for Option F1 F2 F3 F4 SW1 SW4 SW5 SW6 SW7 SW8 SW9 SWP CNDM SV1 CH SV3 SS CNM 1 2 3 4 5 6 7 8 OFF ON 75V MODEL S...

Page 19: ...ch Switch Function Switch Switch Function Switch Switch Pump Down Connector Emergency Operation Connector Connection for Option Connector Connection for Option Connector Connection for Option Connecto...

Page 20: ...2 3 4 5 6 1 2 3 4 5 6 1 MODEL SELECT The black square indicates a switch position 2 SW5 1 to 5 Function Switch Thermistor 2 Phase Pipe TB1 MC MF1 MF2 21S4 63H 63L 63HS TH3 TH4 TH6 TH7 TH8 TH34 DCL CY1...

Page 21: ...itch Function Switch Switch Pump Down Connector Emergency Operation Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option Conn...

Page 22: ...eration Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option LED Operation Inspection Indicat...

Page 23: ...istory Record Reset Refrigerant Address Switch Function Switch Controller Circuit Board C B 1 1 U POWER SUPPLY 3N 400V 50Hz TB1 V W RD WH BK MC 7 L1 L2 L3 N CNAC1 WH 3 1 CNDC PK 3 1 CNL BU 1 3 CNAC2 R...

Page 24: ...es are NOT always against the ground S3 terminal has 24 V DC against S2 terminal However between S3 and S1 these terminals are NOT electrically insulated by the transformer or other device S1 S2 S3 S1...

Page 25: ...TH34 DC inverter twin rotary compressor Mitsubishi Electric Corporation For protection OFF 4 15MPa For protection OFF 0 03MPa SW100 120 Change the refrigerant circuit Heating Cooling and for Defrostin...

Page 26: ...kgf cm and quickly stop the air conditioner Since the unit automatically stops in about 3 minutes when the refrigerant collecting operation is completed LED1 off LED2 lit be sure to quickly close the...

Page 27: ...splayed Conduct troubleshooting and ascertain the cause of the trouble The trouble is not reoccurring Logged 1 Consider the temporary defects such as the work of protection devices in the refrigerant...

Page 28: ...or ACL SW75VHA R3 Check connection of LO and NO on the outdoor noise filter circuit board Check connection of R and S on the outdoor power circuit board Refer to 11 6 TEST POINT DIAGRAM SW75VHAR4 Chec...

Page 29: ...length 80 m including wiring connecting each indoor unit and between indoor and outdoor unit Also check if the connection order of flat cable is S1 S2 S3 3 Check the number of indoor units that are co...

Page 30: ...ive thermistor 3 Defective outdoor controller circuit board 1 Check connection of connector TH4 TH34 on the outdoor controller circuit board Check breaking of the lead wire for thermistor TH4 TH34 Ref...

Page 31: ...oard CN3 2 Defective thermistor 3 Defective outdoor controller circuit board U6 Power module Check abnormality by driving power module in case overcurrent is detected UF or UP error condition 1 Outdoo...

Page 32: ...e field facility for the power supply 23 Check CN52C wiring SW V exclud ing SW75VHAR4 4 Replace outdoor power circuit board SW V 5 Replace outdoor power circuit board SW100 120V Y SW75VHAR4 6 Replace...

Page 33: ...ssor wiring 2 Defective circuit of current sensor on outdoor power circuit board 3 Decrease of power supply voltage 4 Leakage or shortage of refrigerant 1 Correct the wiring U V W phase to compressor...

Page 34: ...g indoor controller board in group control indoor controller board of address 0 may be abnormal 1 Contact failure at transmission wire of remote controller 2 All remote controllers are set as sub remo...

Page 35: ...th only one indoor unit 3 The address changes to a separate setting 4 6 Diagnose remote controller a When RC OK is displayed remote controllers have no problem Turn the power off and on again to check...

Page 36: ...Tcond C or more and compressor operation frequency is less than or equal to 25 Hz Detection is inoperative during defrosting 1 Overcharge of refrigerant 2 Defective refrigerant circuit clogs 3 Malfunc...

Page 37: ...erature adjuster turns on the compressor will not stop operating even if tem perature adjuster is turned off Compressor stops operating immediately when turning off by the remote controller 12Normal o...

Page 38: ...n cannot be set Are timer settings invalid If the timer can be set WEEKLY SIMPLE or AUTO OFF appears in the remote controller display PLEASE WAIT appears in the remote controller display The initial s...

Page 39: ...after turning on the main power Normal The start up diagnosis will be over in around 2 minutes Miswiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoo...

Page 40: ...blown Check the wiring of the outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting w...

Page 41: ...controller circuit board Replace the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant address to 0...

Page 42: ...t of the remote controller wire Check the voltage of the terminal block connecting the remote controller wire If it is not between 10 and 16 V DC the indoor controller board must be defective The remo...

Page 43: ...Yellow Gray Orange Abnormal 46i3 Open or short Refer to the next page Fan motor MF1 MF2 SW100 120Y SW100 120V 0 19 0 30 Measure the resistance between the terminals with a tester Winding temperature...

Page 44: ...re the voltage in the outdoor controller circuit board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC 250 330 V DC TEST POINT 2 VCC between 5 and 4 of the fan connector VCC 15 V DC Recover...

Page 45: ...50 273 t 323 1 1 Thermistor R120 7 465 k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat sink TH8 SW75V SW100 120Y only 20 250 k 30 160 k 40 104 k 50 7...

Page 46: ...ked more sound can be heard No sound is heard when the pulse number moves from B to A in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the sc...

Page 47: ...ipes can bend due to stress How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main...

Page 48: ...Demand control setting SW9 Function switch CN51 External signal output Compressor operating signal Abnormal signal LEV A B Linear expansion valve SWP Pump down CN52C Connect to the outdoor noise filte...

Page 49: ...hen operated SW7 Demand control setting SW9 Function switch LEV A B Linear expansion valve SWP Pump down CN52C Connect to the outdoor noise filter circuit board SW75V the outdoor power circuit board S...

Page 50: ...ct ACL CN52C 52C relay signal Connect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 230 V AC Connect to the outdoor contr...

Page 51: ...put LI1 NI LI2 NI LI3 NI 230 V AC input Connect to the terminal block TB1 GD1 Connect to the earth CNAC2 230 V AC Connect to the outdoor controller circuit board CNAC CNDC Connect to the outdoor contr...

Page 52: ...ircuit board CNDC LI1 LI2 LI3 NI POWER SUPPLY LI1 LI2 LI LI3 LI3 LI1 400 V AC input LI1 NI LI2 NI LI3 NI 230 V AC input Connect to the terminal block TB1 LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 L...

Page 53: ...ot actually printed on the board CN2 Connect to the outdoor controller circuit board CN2 1 5 Outdoor power circuit board Transmitting signal to the outdoor controller circuit board 0 5 V DC 2 5 Zero c...

Page 54: ...utdoor controller circuit board CN2 1 5 Outdoor power circuit board Transmitting sig nal to the outdoor controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 15 V DC 6 5 16 V DC 7 5 16...

Page 55: ...rinted on the board CNAC1 CNAC2 230 V AC Connect to the out door controller circuit board CNAC NI LI Voltage of 230 V AC is input Connect to the ter minal block TB1 EI E4 Connect to the earth DCL1 DCL...

Page 56: ...lly printed on the board CNAC1 CNAC2 230 V AC Connect to the out door controller circuit board CNAC NI LI Voltage of 230 V AC is input Connect to the ter minal block TB1 EI E4 Connect to the earth DCL...

Page 57: ...Detection of primary current Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the outdoor controller circuit board CN4 CN2 Connect to the outdoor controller circuit board CN2 1 5...

Page 58: ...U V and W shown in the diagram are not actually printed on the board CN5 Detection of primary current Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the outdoor controller circ...

Page 59: ...UK PUHZ SW120YHAR3 UK PUHZ SW120YHA BS UK PUHZ SW120YHAR1 BS UK PUHZ SW120YHAR3 BS UK CN7 Connect to the outdoor power circuit board CN7 CK OU Connect to the CK capacitor L1 IN N IN Connect to the no...

Page 60: ...R4 BS UK L1 A2 L2 A2 L3 A2 Connect to the ACL1 ACL2 ACL3 CN7 Connect to the outdoor power circuit board CN7 CK OU Connect to the CK capacitor L1 IN N IN Connect to the noise filter circuit board LO1 N...

Page 61: ...itch operation No function Power failure automatic recovery 2 No function model select No function Defrost setting Use of existing pipe No function No function No function Function switch No function...

Page 62: ...ly as this is not used Low level sound priority mode circuit 1 Manual defrost should be done as follows 1Change the DIP SW1 1 on the outdoor controller board from OFF to ON 2Manual defrost will start...

Page 63: ...al wiring is necessary Refer to the next page Special function 1 2 3 6 4 7 4 5 8 OFF ON 75V 1 2 3 6 4 7 4 5 8 OFF ON 100V 1 2 3 4 5 6 OFF ON MODEL SW6 SW5 6 1 2 3 4 5 6 OFF ON 1 2 3 6 4 7 4 5 8 OFF ON...

Page 64: ...on the control board of the outdoor unit The ability varies according to the outdoor temperature and conditions etc 1 Complete the circuit as shown when using the external input adapter PAC SC36NA E O...

Page 65: ...emote controller transmitting error is detected by I F or FTC unit 1 Check code displayed on remote controller 2 Refer to Technical manual of ATW I F FTC 1Check if I F or FTC or outdoor connecting wir...

Page 66: ...Abnormality of heat sink temperature 1Check if outdoor units have a short cycle on their air ducts 2Measure resistance value of outdoor thermistor TH8 1Check the outdoor fan motor 2Check if connector...

Page 67: ...ction code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F3 F5 F9 E8 E9 EA Eb EC E0 E7 63L connector red is open 63H...

Page 68: ...digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 s 0 5 s 2 s 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor operating current 0 to 50 LEV A open...

Page 69: ...rror unit number and code 3 to 217 When the temperature is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 s 0 5 s 2 s A Code display Code display...

Page 70: ...1 Cooling only 0 Single phase 2 3 phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump 3 phase and defrosting normal are set up 20 is displayed...

Page 71: ...rror 10 14 Description Display 00 01 02 04 08 10 20 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1...

Page 72: ...nement 00 is displayed in case of no postponement Code display Error history 3 Oldest Alternate display of abnormal unit number and code When no error history 0 and are displayed by turns 3 Outdoor pi...

Page 73: ...and temperature are displayed by turns Example When 15 C 0 5 s 0 5 s 2 s 2 phase pipe TH6 on error occurring 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displayed by turn...

Page 74: ...t 00 is displayed 50 1 1 ON 2 3 4 5 6 Discharge superheat on error occurring SHd 0 to 255 Cooling TH4 T63HS Heating TH4 T63HS 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Minute 15 1 15...

Page 75: ...rror Undervoltage error Input current sensor error L1 phase open error Abnormal power synchronous signal PFC error SW75VHA Overvoltage Undervoltage Overcurrent PFC IGBT error SW VHA Undervoltage Displ...

Page 76: ...nit 2 phase pipe temperature TH6 Outdoor unit Outside air temperature TH7 Outdoor unit Heat sink temperature TH8 Discharge superheat SHd Sub cool SC Compressor Operating frequency Compressor Target op...

Page 77: ...latest Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one Examples Ver 5 01 Auxiliary information displayed after version information Examples V...

Page 78: ...isplay TH3 TH6 TH7 TH8 Operation mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation times at time...

Page 79: ...N C COOL DRY H HEAT d DEFROST Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Outdoor unit Control state Request code 51 Data display State 0...

Page 80: ...ON ON ON ON ON ON ON ON ON ON Actuator output state 2 Display 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error conten...

Page 81: ...isplay Defrost mode 0 Standard 1 For high humidity Setting information 2 Display Single Heat pump 3 phase cooling only 0 Single phase Heat pump 1 Cooling only 2 3 phase Heat pump 3 Cooling only Outdoo...

Page 82: ...rille fixing screws Fan grille Slide Photo 3 Electrical parts box Cable strap Controller circuit board C B Electrical parts box fixing screws Terminal block TB1 Photo 2 1 Propeller Front panel Front p...

Page 83: ...ad wire in the rear of the electrical parts box See Photo 4 6 Pull out the thermistor Ambient TH7 from the sensor holder Note When replacing thermistor Ambient TH7 replace it together with thermistor...

Page 84: ...nit and then remove the side panel R 6 Remove the 4 way valve coil See Photo 7 7 Recover refrigerant 8 Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air...

Page 85: ...valve bed Refer to procedure 8 5 Remove the side panel R Refer to procedure 8 6 Pull out the lead wire of high pressure switch 7 Recover refrigerant 8 Remove the welded part of high pressure switch No...

Page 86: ...fixing nut using a spanner or a adjustable wrench Note Recover refrigerant without spreading it in the air 13 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel...

Page 87: ...panel fixing screws Top panel Service panel fixing screws Service panel Grille fixing screws Fan grille Slide Photo 3 Electrical parts box Controller circuit board C B Electrical parts box fixing scre...

Page 88: ...p for the lead wire in the rear of the electrical parts box See Photo 4 6 Pull out the thermistor Ambient TH7 from the sensor holder Note When replacing thermistor Ambient TH7 replace it together with...

Page 89: ...s below 9 Removing the LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 3 4 Remove the valve bed Refer to procedure 8 5 Remove...

Page 90: ...oto 1 2 Remove the top panel See Photo 1 3 Remove the cover panel front Refer to procedure 12 4 Remove the cover panel rear Refer to procedure 12 5 Remove the electrical parts box See Photo 3 6 Remove...

Page 91: ...lamp R4 model only 3 Removing the electrical parts box 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the indoor outdoor connecting wire and power supply wire f...

Page 92: ...box See Photo 4 6 Pull out the thermistor Ambient TH7 from the sensor holder Note When replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6 since they are combined tog...

Page 93: ...welded part of 4 way valve 9 Removing LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the valve bed Refer to procedure 8 4 Remove the side panel R Refer to proce...

Page 94: ...re 12 4 Remove the cover panel rear Refer to procedure 12 5 Remove the electrical parts box See Photo 3 6 Remove the valve bed Refer to procedure 8 7 Remove the side panel R Refer to procedure 8 8 Rec...

Page 95: ...See Photo 1 4 Remove a nut for right handed screw of M6 to detach the propeller Top and bottom See Photo 2 1 5 Disconnect the connectors CNF1 CNF2 on controller circuit board in electrical parts box 6...

Page 96: ...parts box Then remove the 2 screws screw 6 and 7 that fix the plate equipped with the noise filter circuit board and converter circuit board See Photo 4 5 Note When reassembling the electrical parts b...

Page 97: ...ll out the thermistor Ambient TH7 from the sensor holder Note When replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6 since they are combined together Refer to proce...

Page 98: ...es Removing the LEV coil 3 Remove the LEV coil by sliding the coil upward 4 Disconnect the connectors LEV A white and LEV B red on the controller circuit board in the electrical parts box 5 Loosen the...

Page 99: ...2 Remove the top panel See Photo 1 3 Remove the 6 screws screw 8 and 9 5 12 that fix the front panel and remove the front panel See Photo 3 4 Remove the 2 screws screw 0 and 1 both 4 10 that fix the...

Page 100: ...emove 2 cover panel rear fixing screws 5 12 and remove the cover panel rear 5 Remove the electrical parts box See Photo 3 2 6 Remove the valve bed Refer to procedure 9 7 Remove the side panel R Refer...

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